Browsing LakeCon2003 by Issue Date
Now showing items 1-20 of 49
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A limnological survey of Lake Duminagat, Mt. Malindang Natural Park, Misamis Occidental, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Lake Duminagat is a crater lake located in Mt. Malindang Natural Park, one of the protected areas in the Philippines. Two communities are adjacent to it - Brgy. Duminagat, of which it is a part, and Brgy. Gandawan. Both ... -
The ichthyofauna of Lake Manguao, Taytay, Palawan, Philippines with special reference to endemic species
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Lake Manguao is the only freshwater lake in mainland Palawan. It is special because it has no surface outflow that connects it to the sea. The fish fauna of Lake Manguao was studied during three sampling events in June, ... -
Response of phytoplankton to temporal changes in nutrients in Taal Lake, Batangas, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)It is important to note that different adaptations are successful at different times and in different environments, so that different algal species become dominant at different times and locations. Hence, the species ... -
Nutrient and bacterial load profile of Lake Mainit, Mindanao, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Lake Mainit, located in northeastern Mindanao, is the fourth largest lake in the Philippines. Its limnology and water quality parameters, however, are not yet thoroughly understood. This study has been conducted to obtain ... -
Protein-degrading bacteria in the sediments of caged and uncaged sites of Lake Taal, Batangas, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)The populations of protein-degrading bacteria in the sediments of caged (Leviste, Laurel) and uncaged sites (Quiling, Talisay) in Lake Taal were determined by means of the most probable number (MPN) enumeration using ... -
Lake Taal's freshwater sardines Sardinella tawilis (Herre): Evolutionary insights based on morphological, molecular, and geological data
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Sardines (family Clupeidae or herrings) are mostly marine species. In the Philippines, Lake Taal is the habitat of Sardinella tawilis (local name tawilis ), the only local endemic sardine species known to be fully adapted ... -
Assessment of migratory fishes in Butas River, Naujan, Oriental Mindoro, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)To determine the declining production of migratory fishes (milkfish, mullet, snapper, jacks) in Naujan Lake, environmental assessment of Butas River is being conducted. Water quality is being monitored and fish samples ... -
Bottom sediment transport in Laguna Lake, Laguna, Philippines determined from geochemistry
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005) -
Influence of salinity on primary productivity of Laguna Lake during the last few hundred years from sediment geochemistry
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005) -
Revisiting the Ligawasan marshland in Mindanao: An indigenous resource management system study towards sustainability
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)The Ligawasan Marshland covering an area of 288,000 ha is important to hundreds of thousands of Magindanawan Bangsamoro fisher-farmers whose basic means of livelihood are wild fishing and traditional rice farming. This ... -
Status and impacts of tilapia fish cage farming in Lake Bato: Some policy and management options for sustainable development
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)An assessment and impact analysis of the fish cage arming in Lake Bato was conducted from October 1999 to January 2000 through a field survey and personal interviews with fish cage farmers, operators and key informants in ... -
Aquaculture practices in Laguna de Bay, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)A survey was conducted to obtain information on the fish culture practices of the fish farmers in Laguna de Bay, Philippines. Fish farms vary greatly in size. Nile tilapia and bighead carp are the two fish species cultured ... -
Hi-density tank culture of Nile tilapia (Oreochromis niloticus) using lake water with effluent management
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Nine concrete tanks (2 x 2 x 1 m) were stocked with tilapia fingerlings (abw = 3.3±0.9 g) and three stocking rates (50 fish/m2, 100/m2, and 150/m2) were tried. The rearing period lasted for ... -
Socio-ecological case study of Lake Danao, Ormoc City, Philippines: Implications to management and policy
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)This paper discusses some of the social, political, and economic pressures impinging upon the ecosystem components of Lake Danao in Ormoc City, Philippines. Conflicting objectives among individual residents and various ... -
Documenting the presence and impact of introduced freshwater fishes for aquaculture in the Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)The demand for fish protein in the Philippines cannot be met by capture fisheries alone so the Philippine government has turned to aquaculture as an alternative source of fish protein. Aquaculture has promoted the introduction ... -
Sustaining the resource use and management of Sampaloc Lake, San Pablo City, Philippines: A potable source of water
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Water is the most basic and indispensable commodity. In the past, nobody realized the value of water until the wells and rivers started to dry. Of the numerous natural lakes of the Philippines (about 59), all are potential ... -
Prawn fisheries of Lake Bato
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Lake Bato is one of the most important lakes in the Bicol Region in terms of economic benefits to lakeshore communities. It is considered a commercial fishing ground of endemic and indigenous fish species. However, fish ... -
Managing the sacred lakes of Coron Island, Palawan, Philippines: Ensuring environmental protection and securing cultural integrity through indigenous community initiatives
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)The Tagbanwa of Coron Island have, since time immemorial, been managing their island and its surrounding waters. The Philippine Government recognizes this right and capability by awarding a Certificate of Ancestral Domain ... -
Five thousand years of environmental history: Paoay Lake, northern Luzon, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)The environmental history of Paoay Lake and its surrounding landscape is being examined through the analysis of pollen, diatoms, charcoal, mineral magnetics, and AMS dating. The project is part of a larger program of ... -
Origin of Philippine lakes
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)